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    O Fallon, IL
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    O Fallon, IL Triplexes for Sale

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    Swansea, IL Freeburg, IL Smithton, IL
    Turnkey Triplex in Belleville, IL
    $215,000
    1,865 SF

    Turnkey Triplex in Belleville, IL

    506 N 17th Street, Belleville, IL 62226

    Three-unit property with garage, ideal for generating income.

    • Turnkey investment property with three income‑generating units
    • Potential for owner occupancy while tenants cover mortgage expenses
    • Garage accommodates up to 6 cars and can function as a workshop
    • New flooring, paint, appliances, and lower‑level HVAC system
    • Separate utilities for each unit (electricity), simplifying billing
    Updated: Apr 29
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    Belleville Triplex with Tenant Occupancy
    $139,900
    2,584 SF

    Belleville Triplex with Tenant Occupancy

    23 N 11th Street, Belleville, IL 62220

    Three-unit building with long-term tenants and ample parking.

    • Three‑unit building offering income potential.
    • Ample off‑street parking.
    • Two upper units have long‑term tenants.
    • Main level unit rented as of March 2026.
    • Full walk‑up basement for storage.
    Updated: Apr 4
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    Based on your search, we've compiled 6 Potential Opportunities for your consideration. Besides 2 Active listings in O Fallon, IL, we suggest exploring several alternatives: 4 properties in Nearby Cities

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Historic Three-Unit Income Property
    $159,900
    3,926 SF

    Historic Three-Unit Income Property

    Income-producing three-unit property with strong financials in Louisiana, MO.

    703 N Carolina Street, Louisiana, MO 63353
    View details
    St. Louis Triplex Investment Opportunity
    $375,000
    1,632 SF

    St. Louis Triplex Investment Opportunity

    Well-maintained 3-unit building with updated finishes and strong rental potential.

    2519 S 9th Street, St, Louis, MO 63104
    View details
    Historic St. Louis Income Property
    $225,000
    2,280 SF

    Historic St. Louis Income Property

    Residential income property in need of complete rehabilitation.

    1825 S. 7th Street, St, Louis, MO 63104
    View details
    Charming Brick Triplex Opportunity
    $54,900
    0.17 Acres

    Charming Brick Triplex Opportunity

    Triplex perfect for fix-and-flip or rental income.

    306 N Carolina Street, Louisiana, MO 63353
    View details

    O Fallon, IL Triplexes Investment Opportunities Market Analysis

    Explore 2 triplexes for sale in O Fallon, IL on our real estate platform. These investment opportunities span a total of 4,449 square feet of properties for sale, with an estimated market value of $354,900.

    Sale prices for three-family homes in O Fallon, IL start at $139,900, averaging $177,450, and reaching up to $215,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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